1984年12月,全国44个城市进行的“全国园林植物病虫害、天敌资源普查和检疫对象的研究”是园林植物病虫害防治、科研和教学的一项基础工作,对长春市的园林植保工作有很大的推动作用。在普查中发现,长春市园林植物上的病虫害数量并不少,仅初步调查就发现病虫害近三 In December 1984, “Research on the National Pests, Natural Resources and Natural Resources for National Garden Plants” conducted by 44 cities across the country was a basic work in pest control, research and teaching of garden plants, and was very helpful to the plant protection work in gardens in Changchun Great role in promoting. Found in the census, Changchun City, the number of pests on the garden plants and not less, only preliminary investigation found that nearly three pests and diseases